Update pd-t7-3.md

content/3.defense-systems/pd-t7-3.md

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     Sensor: Unknown
     Activator: Unknown
     Effector: Unknown
+
+contributors:
+    -
+relevantAbstracts:
+    -doi: 10.1038/s41564-022-01219-4        
 ---
 
 # PD-T7-3
+## Description
+PD-T7-3 systems were discovered to be anti-phage systems during an experimental screen performed on *E.coli* strains ref{doi=10.1038/s41564-022-01219-4}
+
+## Molecular mechanisms
+As far as we are aware, the molecular mechanism of PD-T7-3 is unknown.
+
 ## Example of genomic structure
 
 The PD-T7-3 system is composed of one protein: PD-T7-3.
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 </mermaid>
-## Relevant abstracts
 
-::relevant-abstracts
----
-items:
-    - doi: 10.1038/s41564-022-01219-4
-
----
-::